| http://www.w3.org/ns/prov#value | - A thickening premix composition, for the preparation of the compositions according to claim 1, comprising:a. a surfactant selected from the group consisting of quaternary ammonium compounds, wherein at least one of the hydrocarbon groups linked to nitrogen is a linear or branched alkyl group containing at least 12 carbon atoms and being saturated or unsaturated and wherein two or three of the grou
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